body{
    background-color: black;
    font-family: monospace;
}
h1{
    color: blue;
}
h1:hover{
    color: blueviolet;
}
a{
    color: blue;
}
a:hover{
    color: blueviolet;
}
nav{
    margin-left: 5em;
    border-top: 0px;
    border-left: 0px;
    border-right: 0px;
    border-bottom: 5px;
    border-style: dotted;
    border-color: blue;
}
.nav{
    padding: 0 20px;
    size: 10px;
    border: 2px;
    border-color: blue;
    border-style: solid;
    text-align: center;
    font-size: 1.5em;
}
input{
    background-color: black;
    color: blue;
    border: 1px;
    border-style: solid;
    border-color: blue;
}
#img_1{
    width: 10em;
}
#img_2{
    width: 20em;
}
div{
    color: blue;
    width: 100px;
    font-size: 50px;
}
div:hover{
    color: blueviolet;
}
input:hover{
    color: blueviolet;
}